Remove revision selector because it's not a string

config/kafka/config.go

@@ -29,10 +29,6 @@ func Configure(p *config.Provider) {
 			Type:      "Configuration",
 			Extractor: common.PathARNExtractor,
 		}
-		r.References["configuration_info.revision"] = config.Reference{
-			Type:      "Configuration",
-			Extractor: `github.com/upbound/upjet/pkg/resource.ExtractParamPath("latest_revision",true)`,
-		}
 		r.UseAsync = true
 	})
 }

examples/kafka/cluster.yaml

@@ -23,9 +23,7 @@ spec:
       - arnSelector:
           matchLabels:
             testing.upbound.io/example-name: example
-        revisionSelector:
-          matchLabels:
-            testing.upbound.io/example-name: example
+        revision: 1
     encryptionInfo:
       - encryptionAtRestKmsKeyArnSelector:
           matchLabels:

package/crds/kafka.aws.upbound.io_clusters.yaml

@@ -457,82 +457,6 @@ spec:
                           description: Revision of the MSK Configuration to use in
                             the cluster.
                           type: number
-                        revisionRef:
-                          description: Reference to a Configuration to populate revision.
-                          properties:
-                            name:
-                              description: Name of the referenced object.
-                              type: string
-                            policy:
-                              description: Policies for referencing.
-                              properties:
-                                resolution:
-                                  default: Required
-                                  description: Resolution specifies whether resolution
-                                    of this reference is required. The default is
-                                    'Required', which means the reconcile will fail
-                                    if the reference cannot be resolved. 'Optional'
-                                    means this reference will be a no-op if it cannot
-                                    be resolved.
-                                  enum:
-                                  - Required
-                                  - Optional
-                                  type: string
-                                resolve:
-                                  description: Resolve specifies when this reference
-                                    should be resolved. The default is 'IfNotPresent',
-                                    which will attempt to resolve the reference only
-                                    when the corresponding field is not present. Use
-                                    'Always' to resolve the reference on every reconcile.
-                                  enum:
-                                  - Always
-                                  - IfNotPresent
-                                  type: string
-                              type: object
-                          required:
-                          - name
-                          type: object
-                        revisionSelector:
-                          description: Selector for a Configuration to populate revision.
-                          properties:
-                            matchControllerRef:
-                              description: MatchControllerRef ensures an object with
-                                the same controller reference as the selecting object
-                                is selected.
-                              type: boolean
-                            matchLabels:
-                              additionalProperties:
-                                type: string
-                              description: MatchLabels ensures an object with matching
-                                labels is selected.
-                              type: object
-                            policy:
-                              description: Policies for selection.
-                              properties:
-                                resolution:
-                                  default: Required
-                                  description: Resolution specifies whether resolution
-                                    of this reference is required. The default is
-                                    'Required', which means the reconcile will fail
-                                    if the reference cannot be resolved. 'Optional'
-                                    means this reference will be a no-op if it cannot
-                                    be resolved.
-                                  enum:
-                                  - Required
-                                  - Optional
-                                  type: string
-                                resolve:
-                                  description: Resolve specifies when this reference
-                                    should be resolved. The default is 'IfNotPresent',
-                                    which will attempt to resolve the reference only
-                                    when the corresponding field is not present. Use
-                                    'Always' to resolve the reference on every reconcile.
-                                  enum:
-                                  - Always
-                                  - IfNotPresent
-                                  type: string
-                              type: object
-                          type: object
                       type: object
                     type: array
                   encryptionInfo:
@@ -1154,6 +1078,11 @@ spec:
                     description: Configuration block for specifying a MSK Configuration
                       to attach to Kafka brokers. See below.
                     items:
+                      properties:
+                        revision:
+                          description: Revision of the MSK Configuration to use in
+                            the cluster.
+                          type: number
                       type: object
                     type: array
                   encryptionInfo: